摘要： Lin Dan, the two-time defending world champion, raced to a 7-0 lead in the second game, a stunned Lee Chong Wei started to even find his rhythm. A. before B. after C. since D. once
网址：http://m.1010jiajiao.com/timu_id_2900700[举报]
Lin Dan, the two-time defending world champion, raced to a 7-0 lead in the second game, ________ a stunned Lee Chong Wei started to even find his rhythm．
- A.before
- B.after
- C.since
- D.once